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mm/migrate.c: kill anon local variable from migrate_page_copy

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commit 01b1ae63c2 ("memcg: simple migration handling") removed
mem_cgroup_uncharge_cache_page() call from migrate_page_copy.  Local
variable `anon' is now unused.

Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: Daisuke Nishimura <nishimura@mxp.nes.nec.co.jp>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
KOSAKI Motohiro 2010-03-05 13:42:00 -08:00 committed by Linus Torvalds
parent da0aa13894
commit 85f1fb72fa
1 changed files with 0 additions and 4 deletions
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mm/migrate.c
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@ -275,8 +275,6 @@ static int migrate_page_move_mapping(struct address_space *mapping,
*/
static void migrate_page_copy(struct page *newpage, struct page *page)
{
int anon;
copy_highpage(newpage, page);
if (PageError(page))
@ -313,8 +311,6 @@ static void migrate_page_copy(struct page *newpage, struct page *page)
ClearPageSwapCache(page);
ClearPagePrivate(page);
set_page_private(page, 0);
/* page->mapping contains a flag for PageAnon() */
anon = PageAnon(page);
page->mapping = NULL;
/*